73798172 has 24 divisors (see below), whose sum is σ = 147821184. Its totient is φ = 31579632.

The previous prime is 73798171. The next prime is 73798189. The reversal of 73798172 is 27189737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73798171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21563 + ... + 24749.

It is an arithmetic number, because the mean of its divisors is an integer number (6159216).

Almost surely, 2^73798172 is an apocalyptic number.

It is an amenable number.

73798172 is an abundant number, since it is smaller than the sum of its proper divisors (74023012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73798172 is a wasteful number, since it uses less digits than its factorization.

73798172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 4023 counting only the distinct ones).

The product of its digits is 148176, while the sum is 44.

The square root of 73798172 is about 8590.5862430919. The cubic root of 73798172 is about 419.4516123325.

It can be divided in two parts, 7379 and 8172, that added together give a palindrome (15551).

The spelling of 73798172 in words is "seventy-three million, seven hundred ninety-eight thousand, one hundred seventy-two".